Introduction to Metamorphism and Metamorphic Rocks

Dr. Ahmad Redaa

2024-09-25

What is Metamorphism?

Questions

  1. What is metamorphism?
  2. How does it differ from diagenesis and igneous processes?
  3. What are the main agents controlling metamorphism?
  4. How does strain affect metamorphic rocks?
  5. How do we recognize precursor rocks (protoliths)?
  6. What are metamorphic field gradients?

Limits of Metamorphism

Types of Metamorphism

Source: https://www.msnucleus.org

Agents of Metamorphism

Difference Between Pressure and Stress

Pressure (Lithostatic Pressure)

Stress (Directed or Differential Stress)

Source: https://opengeology.org

Metamorphic Grade

Source: https://www.geologyin.com/

Metamorphic Textures

Source: https://www.zmescience.com/

Protoliths and Metamorphic Rocks

Field Settings of Metamorphism

Metamorphic Reactions

Summary of Key Points